Local antenna for nuclear magnetic resonance diagnostics

Abstract

A local antenna for nuclear magnetic resonance diagnostics has a flexible antenna conductor arrangement. The antenna conductor arrangement forms a structural unit with a vacuum pillow.

I claim as my invention: 
     
       1. A local antenna for nuclear magnetic resonance diagnostics comprising: a vacuum pillow having an air tight sheath with a connection for a suction conduit;   a plurality of solid plastic balls filling said sheath; and   a flexible antenna conductor arrangement forming a structural unit with said vacuum pillow.   
     
     
       2. A local antenna as claimed in claim 1 wherein said antenna conductor arrangement is disposed on a surface of said vacuum pillow. 
     
     
       3. A local antenna as claimed in claim 2 further comprising an elastic layer covering said antenna conductor arrangement on a side of said antenna conductor arrangement faced away from said vacuum pillow. 
     
     
       4. A local antenna as claimed in claim 1 wherein said solid plastic balls comprise polystyrene balls. 
     
     
       5. A local antenna as claimed in claim 1 wherein said antenna conductor arrangement comprises a circularly polarizing antenna conductor arrangement. 
     
     
       6. A local antenna as claimed in claim 1 further comprising, as part of said structural unit, electrical means for matching said antenna conductor arrangement. 
     
     
       7. A local antenna as claimed in claim 1 further comprising, as part of said structural unit, electrical means for tuning said antenna conductor arrangement. 
     
     
       8. A local antenna as claimed in claim 1 further comprising, as part of said structural unit, electrical means for matching and tuning said antenna conductor arrangement.